Crutch.



A.-R. ALLEN.

CRUTCH. w ucmon FILED MAR. 23. 19:7.

1 ,25 3, 1 1 7. Patented Jan. 8, 1918.

- u rm lengths.

STATES PATENT armor.

- swarm 1t ALLEN, or nmsrsme, mnn'ssxs Y z w OBU'LGH. 1 253,117.Specification-o! Letters Patent. Patented J an. 8, 1918. lyiflinu'tlonma 1mm as, 1911. Serlallslo.156,2:l.

To all whom it may concern 1 Be it known that I, Ans-rm B. Amen,u-citizen of the l nited'Stetes, residing at Bi%;pring, in the county ofDeuel and State of 1 ebrnsku, have invented certain new and usefulImprovements in Crutches; and I do hereby declare the followiu to be ufull clear, and exact description 0 'theinveution, such as will enableot \ers skilled in the art to which it uppertui-ns to make and use thesome. i

This invention has for its ob'ect to provide on im )rovcd crutchembodying novel features 0 construction permitting the crutch to beadjusted to adapt it for use by persons of various types and also ofvarious Another object is the provision of means 'lma securely holdingports of the crutch in u-tl'usl'cd osition.

lVit-h hose and other objects in view, the

invention consists in the novel construction,

and-arrangement of ports as hereinafter specifically described, andillustrated in tho-nccompunyixi% drmving, in which:

Jigure. 1 represents a -Slde clevution, partly in section, of theimproved crutch.

combination will be Fig. 2 represents a pcrspectweview of thesecuri'ugrclip for the adjustable leg of the crotch,

Fig, -3 represents u bolt for securing the position between the arms orofthc crutch, i

Fig. 4 represents a fragment-cry lon rtudinnl sectional view on anenlarged sca e of the erforuted portion of one of the side members orarms of the crutch, and

Fi 5 represents a fragmentary dinu section view on an enlarged scale 0the lower terminal of one of the side. mem bars or arms of the crutch.

pet-s )ective view of the mo grxpm ad usted side members longitu-Refer'ring to the draw m in detail, where.-

in similar reference numerals indicate con responding ports throu houtthe several views, thonumerul 5 indicates an arm rest of unapprovedshape m wh ch are soon the uppertermimi-ls of the Side members or arms6, hu'viu convergmlg" lower terminals rovided wit 1 purnllelowertermmols 8.- he medial portions of the side members 6 ate formedwith a, series of spaced transverse bolt-mceiving openings 9; recelvmgu, bolt 10 having uheud 11- I; one terminal and ranged the adjustableleg3 gen-or the point of it 'moval of: the clip and may be secure I anypomt throughout the length of the scries of apertures 9.

scre v threads at the opposite terminal recewmg u nut 12. A hand grip 13is orbetu'reen the side 'mcmb'crs G :and is formed with a longitudinalopeuing'let accommodating the bolt 10. r

The udjustobl'e leg of the crutch',,designoted generally by the numeral15, is formed with a plurality of uniformly spaced transverse opeuin'16. The adjustable leg is slidubly received between the parallelteruunnls 8 of the side members and the upertures 16 are adaptedtobemoved into re s trot ion with spaced e ertures-17 formefv in theparallel portions of the side members. T he a urturcs 17 in the, sidemembers are orrrmgec a distance apart corresponding to the space betwenthree of the openings 16 in so as to permit of u Wl(lil range of austment of the leg and consequent y a more uccurote adjustment of thecrutch-"to udo t it to the varying rcquiricmcuts of the Individuals bywhom it is user I,

A substantially Ushape'd securing clip, including parallel legs 18 midcurved -webj par tion 19, is utilized to secure the leg 15in odjuste'dposition between the side members of the crutch; the legs 18 ofthe clip,which are threaded, are inserted through the spaced apertures 17 intheside members and through apertures 16 in tl1e adjustable leg which arenlincd therewith.

Nuts 20 are threaded upon the terminals of the legs 1S und, whenproperly u-d'ustcd, draw the or nllel ends 8 of the side members to'etier, thereby firmly clompih the adjustable leg in adjusted position,Swim to the curvu' ture of the web portion 19,it- 1e medial portionthereof is, permanently held in sphced relation to the adjacent portionof theside f member 6, thereby providingu space 21.0f

adequate size to receive the tip-of the fintool to facilitate refrom thecrutch in making the desiredadjustment of the leg. In use,-it is evidentthat the hand grip 13 maybe adjusted lon itudinolly of the crutch inadjusted position at Itis also evident that an'exceptionolly arc-cuminadjustment of the leg 15 with relnt the crutch-may be had by moving therelativcly close] adjustable eg into registration with the ion to theside members Got arranged openings 16 in the

